package com.lhj.xxsc.product.service.impl;

import com.lhj.xxsc.product.service.CategoryBrandRelationService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xxsc.common.utils.PageUtils;
import com.xxsc.common.utils.Query;

import com.lhj.xxsc.product.dao.BrandDao;
import com.lhj.xxsc.product.entity.BrandEntity;
import com.lhj.xxsc.product.service.BrandService;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("brandService")
public class BrandServiceImpl extends ServiceImpl<BrandDao, BrandEntity> implements BrandService {

	@Autowired
	CategoryBrandRelationService categoryBrandRelationService;

	@Override
	public PageUtils queryPage(Map<String, Object> params) {
		//1、获取key
		String key = (String) params.get("key");
		QueryWrapper<BrandEntity> queryWrapper = new QueryWrapper<>();
		if (!StringUtils.isEmpty(key)) {
			queryWrapper.eq("brand_id", key).or().like("name", key);
		}

		IPage<BrandEntity> page = this.page(
				new Query<BrandEntity>().getPage(params),
				queryWrapper

		);

		return new PageUtils(page);
	}

	@Transactional
	@Override
	public void updateDetail(BrandEntity brand) {
		//保证冗余字段的数据一致
		this.updateById(brand);
		if (!StringUtils.isEmpty(brand.getName())) {
			//同步更新其他关联表中的数据
			categoryBrandRelationService.updateBrand(brand.getBrandId(), brand.getName());

			//TODO 更新其他关联
		}
	}

	/**
	 * 根据传过来的品牌id集合 返回所有品牌信息
	 *
	 * @param brandIds
	 * @return
	 */
	@Override
	public List<BrandEntity> getBrandsByIds(List<Long> brandIds) {
		List<BrandEntity> brandEntityList = baseMapper.selectList(new QueryWrapper<BrandEntity>().in("brand_id", brandIds));
		return brandEntityList;
	}

}
